Let's do it this way: 1. Use a clean sheet of paper to write your answer and observation in this
activity
2. Analyze the diagram that shows the Earth's magnetic polarity. The
numbers indicate the ages of the oceanic rocks in a million years, while
the legend represents the normal-reverse polarity.
Mid-Oceanic Ridge
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3. Answer the following questions:
Q1. If magnetic reversals are recorded in the seafloor, what kind of rock is
the seafloor made?
Note: Materials rise and flow from the mid-oceanic ridge. The material
that makes up the seafloor contains magnetic materials such as iron.
These solidified irons in the seafloor can act like a little compass
needle and follow the Earth's magnetic field.
Q2. What does the magnetic stripes pattern represent?
Note: Remember that solidified irons in the oceanic rocks can give
information about the direction of the Earth's magnetic field.
Q3. Is the magnetic stripe pattern on each side of the Oceanic Ridge equal?